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-rw-r--r--src/corelib/statemachine/qstate.cpp42
1 files changed, 39 insertions, 3 deletions
diff --git a/src/corelib/statemachine/qstate.cpp b/src/corelib/statemachine/qstate.cpp
index f3b4c5f235..e9baddc569 100644
--- a/src/corelib/statemachine/qstate.cpp
+++ b/src/corelib/statemachine/qstate.cpp
@@ -309,7 +309,10 @@ void QState::setErrorState(QAbstractState *state)
return;
}
- d->errorState = state;
+ if (d->errorState != state) {
+ d->errorState = state;
+ emit errorStateChanged(QState::QPrivateSignal());
+ }
}
/*!
@@ -491,7 +494,10 @@ void QState::setInitialState(QAbstractState *state)
state, this);
return;
}
- d->initialState = state;
+ if (d->initialState != state) {
+ d->initialState = state;
+ emit initialStateChanged(QState::QPrivateSignal());
+ }
}
/*!
@@ -509,7 +515,10 @@ QState::ChildMode QState::childMode() const
void QState::setChildMode(ChildMode mode)
{
Q_D(QState);
- d->childMode = mode;
+ if (d->childMode != mode) {
+ d->childMode = mode;
+ emit childModeChanged(QState::QPrivateSignal());
+ }
}
/*!
@@ -549,6 +558,33 @@ bool QState::event(QEvent *e)
\sa QState::assignProperty(), QAbstractTransition::addAnimation()
*/
+/*!
+ \fn QState::childModeChanged()
+ \since 5.4
+
+ This signal is emitted when the childMode property is changed.
+
+ \sa QState::childMode
+*/
+
+/*!
+ \fn QState::initialStateChanged()
+ \since 5.4
+
+ This signal is emitted when the initialState property is changed.
+
+ \sa QState::initialState
+*/
+
+/*!
+ \fn QState::errorStateChanged()
+ \since 5.4
+
+ This signal is emitted when the errorState property is changed.
+
+ \sa QState::errorState
+*/
+
QT_END_NAMESPACE
#endif //QT_NO_STATEMACHINE